Outdoor Air Quality Level Inference via Surveillance Cameras

<div>Exemplar images from OAQIS. (a) Scene A: the images are captured by a camera installed in a building. (b) Scene B: the images are captured by a camera fixed on a pedestrian bridge. The concentration of PM<sub>2.5</sub> in the images changes from low to high.</div>

Mobile Information Systems

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Figure 4

Figure 4: Outdoor Air Quality Level Inference via Surveillance Cameras 